// Copyright © 2018 NAME HERE <EMAIL ADDRESS>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package cmd

import (
	"fmt"

	"gitee.com/microsevice/helloworld/version"
	"github.com/spf13/cobra"
)

// versionCmd represents the version command
var versionCmd = &cobra.Command{
	Use:   "version",
	Short: "Program version info",
	Long: `Program version info with build
  Version is program release version
  Date is program compiler date
  Build is program build with git revision number`,
	Run: func(cmd *cobra.Command, args []string) {
		if value, err := cmd.Flags().GetBool("version"); value && err == nil {
			fmt.Println(version.Version)
		} else if value, err := cmd.Flags().GetBool("date"); value && err == nil {
			fmt.Println(version.Date)
		} else if value, err := cmd.Flags().GetBool("build"); value && err == nil {
			fmt.Println(version.Build)
		} else {
			fmt.Println("program build info:")
			fmt.Println("  version:", version.Version)
			fmt.Println("  date:", version.Date)
			fmt.Println("  build:", version.Build)
		}
	},
}

func init() {
	rootCmd.AddCommand(versionCmd)

	// Here you will define your flags and configuration settings.

	// Cobra supports Persistent Flags which will work for this command
	// and all subcommands, e.g.:
	// versionCmd.PersistentFlags().String("foo", "", "A help for foo")

	// Cobra supports local flags which will only run when this command
	// is called directly, e.g.:
	// versionCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
	versionCmd.Flags().BoolP("version", "v", false, "the git release version")
	versionCmd.Flags().BoolP("date", "d", false, "build date")
	versionCmd.Flags().BoolP("build", "b", false, "git revision number")
}
